<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

</body>
<script>

    let a = 1.1;
    let type = typeof a;
    console.log(type);

    let b = 'abc';
    let type2 = typeof b;
    console.log(type2);

    let c = true;
    let type3 = typeof c;
    console.log(type3);

    let d = null;
    let type4 = typeof d;
    console.log(type4);

    let e;
    let type5 = typeof e;
    console.log(type5);
</script>
<script>

    let jsObj = {
        name : "zs",
        age : 18,
        married : true
    }
    console.log(jsObj.name);
</script>

</html>